It was expected to fetch $2 million at auction, but the iconic white dress worn by Marilyn Monroe during that famous subway scene in The Seven Year Itch pulled in an astonishing $5.6 million over the weekend.

Austrian-born American film director Billy Wilder (1906 - 2002) Stands with actress and sex symbol Marilyn Monroe (born Norma Jeane Mortenson, 1926 - 1962) on location (at Lexington Avenue and 52nd Street) during the filming of 'The Seven Year Itch' (directed by Billy Wilder, 1954), New York, New York, September 14th and 15th, 1954. The footage, though filmed, was not used in the finished film and was later reshot in a studio. In the scene, a breeze from the subway grate lifts Monroe's skirt, and the subsequent images are among the most emblamatic of Monroe's career. (Photo by George S. Zimbel/Getty Images)

PHOTO: Getty Images

The buyer is still unknown--according to CNN, the transaction was done over the phone--but whomever it was, they have some seriously deep pockets. The dress itself was $4.6 million, and the auction company gets a $1 million commission, bringing the grand total to $5.6 million. It's an absolutely incomparable frock, to be sure, but I couldn't help but wonder what else that kind of price tag could bring in: